German stocks - Factors to watch on Oct. 31

BERLIN, Oct 31 (Reuters) - The following are some of the factors that may move German stocks on Wednesday:

VOLKSWAGEN, AUDI

Q3 financial results due from Volkswagen's premium unit Audi.

FRESENIUS MEDICAL CARE

Freseniums Medical Care is actively evaluating opportunities for mergers and acquisitions, its CEO told analysts on a call. It does not expect to need to do further disposals to close its deal to buy NxStage Medical Inc.

THYSSENKRUPP

The European Commission has opened a deeper investigation into Thyssenkrupp's planned steel joint venture with Tata Steel over concerns that it could raise prices and harm competition.